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OJVR
Online Journal of Veterinary Research©
Volume 14 (2):104-115, 2010. Extensively
redacted 2017.
Effect of Neem Seed Oil (Azadirachta indica ) on the
biological activities of female Boophilus microplus (Ixodoidea : Ixodidae)
Harpreet Kaur*, Ranjeet Singh and
Sandeep Pandey
*Department of Zoology, Punjabi University, Patiala-India
ABSTRACT
Kaur H, Singh R, Pandey S., Effect of Neem Seed Oil (Azadirachta
indica ) on the biological activities of female Boophilus microplus (Ixodoidea : Ixodidae , Onl J Vet Res, 14 (2):104-115, 2010. Engorged
female of Boophilus microplus allowed
to feed for 3-7 days on cows/buffalows were collected
and treated with different concentrations of commercially available neem seed
oil (NSO). Average death time of mature
females treated with 0.2% NSO was ~20hrs, 0.4% 15h, 0.6% 9h and 0.8% 6h compared
with 33hrs in water controls. After treatment with 0.8% NSO, 8.33% females laid
eggs 0.4% 74% and 67% 0.6% compared to 93% in acetone and 96% in water controls.
Average time taken to start egg laying was delayed to
73hrs, 83hrs, 113hrs and 136hrs after treatment with 0.2% to 0.8% NSO compared with
54-57hrs in controls. In control females 1500-2000 eggs were laid in 1 cluster
whereas in those in NSO, reduced to 120-140 eggs laid in 4-5 scattered
clusters.
Key
words : Herbal acaricides,
neem, Boophilus microplus
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